PREXTHERM RSW N 92 - 1890

Name: PREXTHERM RSW N 92 - 1890
Brand: Ferroli

Hot water generator with pressurised combustion, ready for operation in combination with a jet burner on liquid or gas fuel. Completely cooled combustion chamber, sized to ensure low heating loads. Furnace with flame reversal and low heating load.

PREXTHERM RSW N 92 - 1890

Square series

Design pressure: 6 bar (higher pressures on request)

Up to 90% efficiency

Gas / Oil

92 to 1890 kW

With 3 flue passes, two in furnace

Square series

Design pressure: 6 bar (higher pressures on request)

Up to 90% efficiency

Gas / Oil

92 to 1890 kW

With 3 flue passes, two in furnace

Pressurized hot water generator designed for liquid or gas fuel jet burners, featuring a fully cooled combustion chamber. Flame-reversal furnace ensures low heat-load operation and optimized combustion performance.

Steel boiler body insulated with 80 mm high-density glass wool and tear-resistant outer covering, ensuring low heat losses.
Design pressure of 6 bar; higher pressures available on request.
Fully cooled pressurized combustion chamber with optimized return water distribution to prevent thermal stress. Offset burner configuration improves flame reversal, reduces flue gas pressure losses, and expands operating range.
Tube bundle positioned above the furnace to maintain high flue gas temperatures and minimize condensate formation.

Technical specifications

Find the perfect model for your needs. Explore the full range with key technical specifications at a glance.

Comparison table
Feature	Unit	mod.92	mod.107	mod.152	mod.190	mod.240	mod.300	mod.350	mod.401	mod.525	mod.600	mod.720	mod.820	mod.940	mod.1060	mod.1250	mod.1480	mod.1600	mod.1890

Heat output min	kW	60	70	100	137	160	196	228	260	341	390	468	533	611	689	813	962	1040	1229
Heat output max	kW	92	107	152	190	240	300	350	401	525	600	720	820	940	1060	1250	1480	1600	1890
Heat input min	kW	64.3	75	107.3	147.4	170.9	209.5	277.5	364.5	417	495	502	566	651	731	884	1046	1158	1336
Heat input max	kW	99.5	116	165	206	261	326	378	432	567	648	777	881	1011	1140	1359	1608	1736	2054